Praseodymia
氧化镨
🗣️ 情景例句
The more natural it will become.
它们就会变得越自然。
The interviewer is not supposed to ask.
面试人也不应该问这个问题。
At the station, he was told by a smiling policeman that his bicycle had been found.
在警察局里，一位面带笑容的警察告诉他，他的自行车找到了。